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Electrical systems

STC SA1938NW-D

FAA DRS lists SA1938NW-D as Current · Reissued, held by United Airlines Inc, for Boeing 747-100 Series. Recorded change: Replaces existing wiring in the sailboat upper and lower pylon areas with high strength, nickel-plated, Teflon insulated wire and adds electrical disconnects in the leading edge ribs just inboard of each pylon in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 1938 dated April 1, 1988, or later FAA approved revisions. Snapshot dated June 30, 2026.

FAA-listed holder
United Airlines Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Replaces existing wiring in the sailboat upper and lower pylon areas with high strength, nickel-plated, Teflon insulated wire and adds electrical disconnects in the leading edge ribs just inboard of each pylon in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 1938 dated April 1, 1988, or later FAA approved revisions.

SA1938NW-D identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing 747-100 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747-100 SeriesA20WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-100 Series model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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